Attacks on this boat and other events

14 Oct 1939The British submarine HMS Sturgeon (Lt. G.D.A. Gregory, RN) fired three torpedoes at U-23 in the Skagerrak some 20 nautical miles WNW of Skagen, Denmark in position 57º49N, 09º59E. All three missed.

There was another U-23 in World War OneThat boat was launched from its shipyard on 12 Apr 1912 and commissioned into the Imperial Navy on 11 Sep 1913. The Naval war in WWI was brought to an end with the Armistice signed on 11 Nov, 1918. Read about SM U 23 during WWI.